frame

问题 i am working on frames of a video and i want to subtract one frame from other to find out the difference but i dont know how to proceed. i tried converting my bitmap frames into mat and then subtracting them but its not working. i am using opencv 2.4.3 for mat function. can anybody tell me how to do that. if possible explain with code snippets. i tried something like this Bitmap myBitmap1 = BitmapFactory.decodeFile("/mnt/sdcard/Frames/mpgFrames/image001.jpg"); Bitmap myBitmap2 = BitmapFactory

问题 I have a video file. I want to get each frame of the video and do some modifications to the frame, such as drawing another bitmap in that, putting some text etc. Is there any API/framework available to get frames from video in Android? I've done something similar in iOS using their AVFramework. If it is possible with ffmpeg, I will use some of the opensource NDKs available. 回答1: Option A: You can create a SurfaceTexture object and attach this to the MediaPlayer as follows myPlayer = new

问题 I have a video file. I want to get each frame of the video and do some modifications to the frame, such as drawing another bitmap in that, putting some text etc. Is there any API/framework available to get frames from video in Android? I've done something similar in iOS using their AVFramework. If it is possible with ffmpeg, I will use some of the opensource NDKs available. 回答1: Option A: You can create a SurfaceTexture object and attach this to the MediaPlayer as follows myPlayer = new

问题 i am using jquery 2.0 with jquery mobile 1.4. if i disable a there is a Frame around the Button. It's still there if i enable the button again. $("#speichern").button({disabled:true}); button tag: <button id="artSave" class="ui-btn ui-icon-plus ui-btn-icon-left ui-corner-all ui-btn-b"> speichern</button> i don't like to use an anchor, because it can't disable the button fully. i also had some drawbacks with picture of frame around the button thanks a lot 回答1: To disable a button or a tags,

问题 I have a 32 frame greyscale animation of a diamond exploding into pieces (ie 32 PNG images @ 1024x1024) my game consists of 12 separate colours, so I need to perform the animation in any desired colour this I believe rules out any Apple frameworks, also it rules out a lot of public code for animating frame by frame in iOS. what are my potential solution paths? these are the best SO links I have found: Faster iPhone PNG Animations frame by frame animation Is it possible using video as texture

问题 I write a little android app, sends Http request, receives response from server, and count how many bytes transmitted and received. and the code is simply as follow long receivedBytes = TrafficStats.getUidRxBytes(uid)-lastNumer i find that the receivedBytes is always larger the size http Header+http Body, for example the actual http frame's size i caught( use wireshark) in server is 1645 bytes(header+body), but the android API returns receivedBytes is 1912, so as the transmission. the

问题 I main php page in which there are 2 frames. Inside the second frame there is iframe. I want to access value of element on iframe document from the 1st frame. I tried like this: var frame1 = parent.frames[1]; var frame2 = frame1.document.getElementsByTagName('iframe')[0]; var eleValue =frame2.contentWindow.document.getElementById("MyElement").value; but I am not receiving any value though it is there. var frame1 = parent.frames[1]; alert(frame1.name); var frame2 = frame1.document

问题 Brock Adams gave me the code below (original question: How to add frames to an existing frameset using userscript?) to create a frame inside an existing frameset. It works fine with Firefox and Greasemonkey, but how do I make it work with Opera and Violentmonkey? var parent = document.getElementById ("mainset"); var child = document.createElement ("frame"); child.style = "background-color: pink;"; parent.appendChild (child); parent.rows = "30%,30%,30%" var docRdyInt = null; var frmCW = child

问题 In my Android app I want to record a video with Time-lapse. I have an InputSurface -> MediaCodec (encoder) -> MediaMuxer. But if I want to speed up the video (for example: x3), I get the resulted video with very high framerate. For example: with normal speed I get video 30fps. If I speed up (x3), I get the video 90fps. Since the framerate of video is high, the video player of my phone cannot play the video normally (The video player of computer plays the video well without any problem). So I

问题 I am trying to overlay a recorded video with AvAssetReader and AvAssetWriter with some images. Following this tutorial, I am able to copy a video (and audio) into a new file. Now my objective is to overlay some of the initial video frames with some images with this code: while ([assetWriterVideoInput isReadyForMoreMediaData] && !completedOrFailed) { // Get the next video sample buffer, and append it to the output file. CMSampleBufferRef sampleBuffer = [assetReaderVideoOutput